TABLE 4.
Characteristics of probands stratified by anorexia nervosa subtype
| RAN n = 107 | PAN n = 70 | AN(B) n = 23 | F-Value | p-Value | Group Differences | |
|---|---|---|---|---|---|---|
| Age | 28.7 (10.6) | 29.4 (10.3) | 27.9 (10.0) | 0.20 | ns | — |
| Eating disorder age of onset | 17.1 (3.8) | 16.4 (4.5) | 17.5 (5.8) | 0.71 | ns | — |
| Eating disorder duration | 8.5 (7.0) | 10.2 (7.8) | 8.7 (7.4) | 1.16 | ns | |
| Sex (%) males | 6 (5.6%) | 1 (1.4%) | 1 (4.4%) | FI = 1.9 | ns | — |
| BMI current | 18.6 (2.6) | 18.7 (2.5) | 19.9 (2.4) | 2.56 | ns | — |
| BMI minimum (lifetime) | 14.3 (1.9) | 13.9 (1.9) | 15.5 (1.9) | 5.96 | <.001 | AN(B)>RAN, PAN |
| BMI maximum (lifetime) | 21.3 (2.4) | 21.6 (2.6) | 22.0 (2.5) | 0.74 | ns | — |
| EDI Bulimia | 0.81 (1.49) | 1.75 (2.46) | 4.05 (4.54) | 17.56 | <.001 | AN(B)>PAN>RAN |
| EDI body dissatisfaction | 14.0 (8.0) | 18.1 (7.4) | 18.0 (7.3) | 6.73 | .002 | PAN>RAN |
| EDI drive for thinness | 12.4 (7.2) | 15.1 (5.9) | 14.7 (6.1) | 3.71 | .026 | PAN>RAN |
| YBC-EDS worst preoccupations | 11.9 (2.8) | 13.1 (2.4) | 12.6 (2.1) | 4.59 | .011 | PAN>RAN |
| YBC-EDS worst rituals | 11.2 (3.2) | 12.7 (2.4) | 11.8 (2.9) | 5.03 | .007 | PAN>RAN |
| YBC-EDS worst motivation to change | 18.6 (5.4) | 20.2 (4.3) | 19.6 (3.4) | 2.51 | ns | — |
Notes: BMI, body mass index; EDI, Eating Disorders Inventory II; YBC-EDS, Yale Brown Cornell Eating Disorder Scale; RAN, anorexia nervosa, restricting type; PAN, anorexia nervosa, purging type; AN(B), anorexia nervosa with binge eating.